function ShowPartner(img, file)
{
    var image = document.getElementById(img);
    image.src = 'Images/' + file;
}

function HidePartner(img, file)
{
    var image = document.getElementById(img);
    image.src = 'Images/' + file;
}

function ShowMenu(menu, link)
{
    var div = document.getElementById(menu);
    var pos = getPos(link);
    div.style.left = (pos.x - 20);
    div.style.top = (pos.y + 20);
    div.style.display = 'inline';
}

function HideMenu(menu)
{
    var div = document.getElementById(menu);
    div.style.display = 'none';
}


function getPos(theObj){
  x = y = 0;
  while(theObj){
    x += theObj.offsetLeft;
    y += theObj.offsetTop;
    theObj = theObj.offsetParent;
  }
  return {x:x,y:y}
}